The laval questionnaire: a new instrument to measure quality of life in morbid obesity

Table 2 Correlations* between the LAVAL Questionnaire and related instruments

	*LAVAL Questionnaire domains*
	Symptoms	Activity/Mobility	Personal hygiene/Clothing	Emotions	Social interactions	Sexual life
BMI (kg/m²)	-0.14^†	-0.27^‡	-0.25^‡	-0.09^†	-0.26^§	-0.04^†
SF-36
• Physical functioning		0.67 ^‡	0.58 ^‡
• Role - physical		0.75 ^‡	0.59 ^‡
• Bodily pain	0.70 ^‡
• General health perception	0.57 ^‡
• Energy/vitality	0.62 ^‡			0.61 ^‡
• Social functioning					0.58 ^‡
• Role - emotions				0.53 ^‡
• Mental health				0.71 ^‡
IWQOL-Lite
• Physical function	0.69 ^‡	0.85 ^‡	0.66 ^‡
• Self-esteem				0.80 ^‡	0.77 ^‡
• Sexual life						0.61 ^‡
• Public distress					0.74 ^‡
SES				0.24^‡
BDI				-0.77 ^‡

* Pearson's coefficients of correlation; the coefficients in bold characters are those that met our a priori predictions regarding their direction and magnitude (see text).
† Non significant correlation
‡ p ≤ 0.01
§ p < 0.05
Note: The negative coefficients of correlation obtained with the BMI and the BDI are from the higher scores on these measures indicating worse quality of life.

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